diff --git a/Device/FLXNetworkController/FlxNetworkCmdSender.go b/Device/FLXNetworkController/FlxNetworkCmdSender.go
index 7a194de..80d5223 100644
--- a/Device/FLXNetworkController/FlxNetworkCmdSender.go
+++ b/Device/FLXNetworkController/FlxNetworkCmdSender.go
@@ -156,13 +156,21 @@ func ConnectToServer() {
 			log.Error("ConnectToServer:", r)
 		}
 	}()
+	secondaryAddr := Common.LoadConfig().SeverData.BackUpServerIP + ":" + strconv.Itoa(ServerPort)
 
 	for {
 		c, err := net.Dial("tcp", Common.LoadConfig().SeverData.ServerIP+":"+strconv.Itoa(ServerPort))
 		if err != nil {
 			holmes.Errorf("连接失败，%v 后重试... 错误: %v\n", reconnectInterval, err)
-			time.Sleep(reconnectInterval)
-			continue
+
+			// 主IP失败时尝试备选IP
+			c, err = net.Dial("tcp", secondaryAddr)
+			if err != nil {
+				holmes.Errorf("备选IP连接失败，%v 后重试主IP... 错误: %v\n", reconnectInterval, err)
+				time.Sleep(reconnectInterval)
+				continue
+			}
+
 		}
 
 		onConnect := tao.OnConnectOption(func(conn tao.WriteCloser) bool {